Amazon.fr listed a 1 to 6 Harry Potter movie collection. It will be available in DVD and Blu-ray. The DVD edition will have 12 discs and the Blu-ray will have 6. And according to a french Harry Potter site, the designers of the box set made extra slots to put the Deathly Hallows discs when they are released. But the most beautiful thing is the package: it's a replica of Hogwarts!!! I want one now!!
http://www.amazon.fr/Harry-Potter-prestige-limit%C3%A9e-Poudlard/dp/B002AKKFSU/ref=sr_1_18?ie=UTF8&s=dvd&qid=1243355004&sr=1-18